With the analysis among 52 patents, we discovered top 25 key players by total patent application. Speech Systems, Inc., NEC Corp., Nippon Telegraph & Telephone Corp. are dominant in this area. They take 26.92% of the total patent filing.
CITY OF SCOTLAND, United Kingdom
Patent: 2
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With the analysis among related 4 patents applied in the last 5 years. We discover 2 most active companies in this area.
Shanghai Shi, China
Patent: 1
With the analysis among related 4 patents in last 5 years, we discover 2 new entrants.
Shanghai Shi, China
Patent: 1
With the analysis among 12 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Sichuan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1